1920s French Art Deco 3.25 Carat Diamond Geometric Platinum Brooch Pin

Regular price$10,500.

Three large old European cut diamonds march across the center in open bezel settings, surrounded by 52 additional old European and single cut diamonds arranged in a geometric composition of stepped pavé, open rectangular cutouts, and fine milgrain borders. A prime example of Jazz Age jewels. At 3.25 carats total and 45mm wide, it's perfect for a lapel, a neckline, or a plain black dress entirely on its own. Platinum throughout and French-made—a wonderful collector's brooch.


Specifications

Condition: Very good
Era: Art Deco
Year: 1915-1935
Metal: Platinum

Diamonds: 55
Carat Weight: 3.25 total
Cut: Old European & Single Cut
Color: G-J
Clarity: VS1-SI2

Graded according to GIA standards

Width: 45.00mm
Length: 24.18mm
Weight: 12.47 grams

Includes: Custom Belrose ring box, free expedited shipping.
Certified Appraisal on request.

Item Id: T-26022P

100% money back guarantee.
Photography © Belrose Estate Jewelers Montecito, CA

Reasonable offers always considered.

Signature Packaging

Each piece is elegantly presented in our custom-branded jewelry box, adding a refined finishing touch to your purchase. Beautifully packaged and ready for gifting or safekeeping.

Complimentary Domestic Shipping & Returns

Each piece is carefully packaged and shipped via FedEx or USPS, fully insured and requiring a signature upon delivery.

Orders are typically dispatched within 2 business days of payment confirmation. Please allow an additional 2–3 business days for ring sizing.

Returns are accepted within 7 days of delivery, and exchanges within 30 days.

For full details on our shipping and return policies, including international shipping, please refer to our Shipping & Returns Policy.

Financing Options

We offer 6 months of interest-free financing through PayPal, as well as additional financing options through Affirm.

For more information, please contact us or visit our Affirm Financing FAQs for details on Affirm financing.

Frequently Asked Questions

What Makes Your Jewelry Sustainable?

Our jewelry is not mass-produced, but rather lovingly crafted with attention to detail. By choosing pre-owned antique and vintage jewelry, you're embracing sustainability for the planet. Our dedicated team possesses over 50 years of expertise in providing conflict free and environmentally friendly jewelry.

Are Your Diamonds Natural?

Yes, all of our diamonds are natural, sustainable and eco friendly. We do not sell lab-grown or synthetic diamonds.

While the majority of our inventory is antique or vintage, some of our revival jewelry contains antique diamonds in new settings.

Can I Sell Or Trade My Jewelry?

Yes! We have in-house GIA Graduate Gemologists and Certified Antiques Appraisers who can provide valuations, purchases and offer trade in value for certain jewelry and watches. Please inquire for more information.

Will You Restyle My Jewelry?

Yes! We have been re-imagining our clients jewelry for over 50 years, and would be delighted to discuss options for your treasures that are not being worn. Please inquire for more information.

Do You Offer Layaway or Financing?

Yes! We offer generous layaway terms or 6-12 month interest free financing. Please inquire for more information.